linux-kernel - [PATCH v4 1/2] staging: erofs: use xattr

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Message-ID: <20190129083520.28607-1-gaoxiang25@huawei.com>
Date:   Tue, 29 Jan 2019 16:35:19 +0800
From:   Gao Xiang <gaoxiang25@...wei.com>
To:     Chao Yu <yuchao0@...wei.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        <devel@...verdev.osuosl.org>
CC:     LKML <linux-kernel@...r.kernel.org>,
        <linux-erofs@...ts.ozlabs.org>, "Chao Yu" <chao@...nel.org>,
        Miao Xie <miaoxie@...wei.com>, <weidu.du@...wei.com>,
        Fang Wei <fangwei1@...wei.com>,
        Gao Xiang <gaoxiang25@...wei.com>
Subject: [PATCH v4 1/2] staging: erofs: use xattr_prefix to wrap up

Let's use xattr_prefix instead of open code.
No logic changes.

Reviewed-by: Chao Yu <yuchao0@...wei.com>
Signed-off-by: Gao Xiang <gaoxiang25@...wei.com>
---
[resend v2 as v4]
change log v2:
 - remove the confusing line according to Dan Carpenter;

 drivers/staging/erofs/xattr.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/staging/erofs/xattr.c b/drivers/staging/erofs/xattr.c
index 1c9498e38f0e..7de46690d972 100644
--- a/drivers/staging/erofs/xattr.c
+++ b/drivers/staging/erofs/xattr.c
@@ -520,8 +520,7 @@ static int xattr_entrylist(struct xattr_iter *_it,
 	if (h == NULL || (h->list != NULL && !h->list(it->dentry)))
 		return 1;
 
-	/* Note that at least one of 'prefix' and 'name' should be non-NULL */
-	prefix = h->prefix != NULL ? h->prefix : h->name;
+	prefix = xattr_prefix(h);
 	prefix_len = strlen(prefix);
 
 	if (it->buffer == NULL) {
-- 
2.14.4